Symptom
BGP EVPN RR incorrectly reflects EVPN IMED (type 3) route PMSI attribute with VNI as MPLS label.
VNI is incorrectly treated as MPLS label, and the bottom of stack bit forcefully set to 1.
This is affecting with implementation of EVPN PE with VxLAN using VNI:
draft-ietf-bess-evpn-overlay-01
For example N7K running NX-OS
Conditions
EVPN RR
PMSI attribute with VNI as MPLS label
VxLAN
